Year	constant 2015 US$
1999	235885176.3720212
2000	235323972.5835457
2001	258875450.77070844
2002	298124921.3291078
2003	311552283.1721726
2004	349900460.4462803
2005	379497225.8429011
2006	430241272.39685565
2007	432516392.5553353
2008	456441632.46562266
2009	469797160.2237626
2010	513551974.7960433
2011	556902722.6406215
2012	589081025.4642296
2013	616440832.559987
2014	538735433.6000926
2015	583841626.8950223
2016	622577034.7831781
2017	663065643.3065314
2018	752997428.002153
2019	837695426.1664522
2020	854634801.3177965
2021	945052588.4942378
2022	1048979673.2668613
2023	1159343765.493299